New low bandgap near-IR conjugated D–A copolymers for BHJ polymer solar cell applications
2016 ◽
Vol 18
(12)
◽
pp. 8389-8400
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Keyword(s):
Two ultra low bandgap (Eg ≤ 1.2 eV) D–A copolymers, with UV to near-IR absorption, are synthesized and used as donors for polymer solar cells, obtaining PCEs of 7.27% and 6.68%.